Roll covers for board and paper making
Increase production efficiency with Valmet's roll covers
Valmet's long experience in the papermaking industry gives us unique expertise in developing the perfect roll covers for every step of the papermaking process. Our broad process experience means that we know the right roll cover for each paper and board making application to produce end quality that satisfies our customers. Valmet's advanced material technology lets us maximize the performance of a production line’s forming, pressing, drying, and finishing sections. Our roll covers are based on state-of-the-art polymer and thermal coating technologies that provide excellent wear resistance, stable roughness and hardness, and durability in demanding operating environments, enabling trouble-free roll run periods.
With Valmet's roll cover technology, you can achieve your key production goals
- Increased efficiency and productivity
- Improved paper quality
- Longer running times
- Lower maintenance costs
- Reduced energy consumption
Continuous development of new technologies
Valmet customers have access to the latest roll cover technologies in the industry. Valmet roll covers can be used with iRoll – the most versatile and sensitive online profile measurement tool in the industry. This technology provides real-time insights into the papermaking process, making it possible to adjust and optimize performance to the highest level. Valmet's latest Industrial Internet offering combines process technologies, services and automation to provide applications and services to improve the reliability and performance of your processes. Customers can also have remote monitoring and real-time support from Valmet’s experts through the Performance Centers.
Click the image above to explore the Valmet roll cover application tool
Our global roll workshop network of over 30 locations around the world ensure professionals can easily carry out roll cover inspections; perform onsite coating, patching and repair services; and provide application support and general troubleshooting in your location. We also offer support ranging from grinding, recovering, and servicing rolls, to complete roll service management.
Articles and references
Hard news for boardmakers
As a pioneer in ceramic coatings, Valmet has gathered its decades of experience to introduce a new generation of ceramic roll covers for lead rolls. In containerboard machines, these hard and extremely durable coatings ensure longer run time and better reliability.
Traction for tightly wound paper rolls
With both the hard Valmet Winder Drum Cover TM and the soft Valmet Winder Drum Cover WG, we oﬀer you the best possible traction in the winder for tightly wound customer rolls.
Valmet Roll Academy
Valmet's Maintenance Schools and Roll Academies gather people from the pulp and paper industry to learn from Valmet and one another. They help secure the best possible knowledge and skills needed to maintain and operate the equipment throughout their lifecycles.
Wet pressing performance much improved!
N R Agarwal has been able to reduce web breaks, increase speed and boost post-press dry content on its PM5 with Valmet’s Intelligent Roll Solutions for press efficiency.
Making the right choices to boost wet pressing efficiency
Wet pressing has an impact all the way from paper machine drying capacity and web runnability to end product properties. The secret of process efficiency often lies in making the right choices for the press section consumables.
Roll covers from recyclable and renewable raw materials
Could paper machine roll covers be made of recycled or even bio-based raw materials? After less than two years’ intensive R&D work, Valmet has introduced new composite covers for press, guide and calender rolls representing a new, more sustainable generation of roll cover materials.
The extensive technological know-how behind Valmet’s roll service
Valmet rolls are based on the strong experience as the papermaking industry’s leading OEM player.
Vijay Anand Kraft Papers: Excellent ROI with Valmet Press Roll Cover PP
The Indian board-maker Vijay Anand has overcome the challenge of traditional rubber covers by upgrading with a Valmet roll cover. Press Roll Cover PP premium polyurethane covers have provided remarkable benefits with an outstanding payback from the investment.
Improving press performance step by step
After a fourphase improvement project, Thai Cane Paper enjoys lower steam consumption, better runnability, higher paper dryness, longer felt lifetimes, and vacuum energy savings in its PM 2 press section.
Press Roll Cover PP eliminates production bottlenecks at Green Forest Paper
By choosing an optimal roll cover for its highly loaded press rolls, the Green Forest Paper mill has managed to increase production, save energy and reduce maintenance costs.
Smoothing the way at Skoghall
Skoghall renewed their smoothing press cleaning device and improved roll cover durability by choosing Valmet Smoothing Press Roll Cleaner and Valmet Press Roll Cover PK.
Optimum press roll surface structures
Paper, board and tissue makers all have their own roll surface structures that they are used to having on their press section rolls. In many cases, those structures have been there from day one and may no longer be the most effective ones, taking into account advances in materials, felts and knowledge.